* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Poppins, sans-serif;
    background: white;
    color: #111;
}

/* HEADER */

header {
    position: sticky;
    top: 0;
    background: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    box-shadow: 0 3px 10px rgba(0, 0, 0, .08);
}

.logo img {
    height: 65px;
}

nav a {
    text-decoration: none;
    color: #111;
    font-weight: 600;
}

nav a:hover {
    color: #f9b000;
}

/* PRESENTATION */

.presentation {
    padding: 120px 10%;
    text-align: center;
}

.presentation h1 {
    font-size: 55px;
    color: #f9b000;
    margin-bottom: 30px;
}

.presentation p {
    max-width: 900px;
    margin: 20px auto;
    font-size: 20px;
    line-height: 1.8;
}

/* STATISTIQUES */

.statistiques {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 70px 10%;
    background: #f9b000;
}

.stat {
    background: white;
    padding: 35px;
    width: 220px;
    text-align: center;
    border-radius: 15px;
}

.stat h2 {
    font-size: 50px;
    color: #111;
    margin-bottom: 15px;
}

/* VALEURS */

.valeurs {
    padding: 90px 10%;
    text-align: center;
}

.valeurs h2 {
    font-size: 40px;
    margin-bottom: 40px;
    color: #f9b000;
}

.valeurs p {
    font-size: 22px;
    margin: 20px;
}

/* AVIS */

.avis {
    padding: 90px 0;
    overflow: hidden;
    background: #111;
    color: white;
}

.avis h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 50px;
    color: #f9b000;
}

.slider {
    overflow: hidden;
}

.slide-track {
    display: flex;
    width: calc(320px * 10);
    animation: defile 30s linear infinite;
}

.avis-box {
    width: 300px;
    margin: 0 20px;
    background: white;
    color: #111;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    flex-shrink: 0;
    font-size: 18px;
}

/* ANIMATION */

@keyframes defile {

    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }

}

/* FOOTER */

footer {
    background: #f9b000;
    color: #111;
    text-align: center;
    padding: 30px;
    font-weight: 600;
}

/* RESPONSIVE */

@media (max-width: 900px) {

    .presentation h1 {
        font-size: 40px;
    }

    .presentation p {
        font-size: 18px;
    }

    .statistiques {
        flex-direction: column;
        align-items: center;
    }

}

/* ===== HEADER ===== */

header{
    position:sticky;
    top:0;
    background:#fff;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
    z-index:1000;
}

.logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:26px;
    font-weight:700;
    color:#111;
}

.logo img{
    height:65px;
    width:auto;
}

.btn-retour{
    text-decoration:none;
    background:#f9b000;
    color:#111;
    padding:12px 24px;
    border-radius:30px;
    font-weight:600;
    transition:.3s;
}

.btn-retour:hover{
    background:#e2a000;
    transform:translateY(-2px);
}